Who's going to win Iowa's caucuses? We don't have that answer for you just yet, but here's a by-the-numbers look at the candidates and their wildly unpredictable campaigns.
Let's start with the voters:
1 — Number of days until Republicans and Democrats gather to choose their presidential candidates in what are called caucus meetings.
124,000 — Number of Democrats who caucused in 2004. Just 90,000 Republicans did so in 2000, the last contested year.
2.75 million — Approximate number of Iowans who won't caucus, the state's entire population minus estimated turnout.
41 — Percentage of Democrats who waited until the final three days of the 2004 campaign to choose their candidate.
5 — Number of candidates with a reasonable chance of winning: Republicans Mike Huckabee and Mitt Romney, and Democrats Hillary Clinton, John Edwards and Barack Obama.
17 — Number of times Clinton said "change" in a recent stump speech, hoping to convince voters in a throw-the-bums-out mood that she can reform Washington from the inside. "Everybody in this campaign is talking about change," she said.
23 — Number of times Obama said "change," hoping his passion overcomes his lack of experience. "Everyone is talking about change," he said. Get the point?
82 — Number of countries Clinton says she has visited, which she equates with foreign policy experience.
24 — Number of times Edwards referred to special interests, corporate interests or greedy companies in a recent stump speech.
0 — How often he referred to unions as a special interest.
0 — How often Edwards mentioned that his former campaign manager runs a union-backed organization that is airing ads supportive of Edwards, raising questions about possible illegal coordination.
19 — How often Gov. Bill Richardson mentioned Iraq in a recent speech, hoping to cast his rivals as not firmly anti-war. "Some of my fellow candidates have decided to stop talking about Iraq," he said. "Our brave troops in Iraq seem to have been forgotten."
500 — The number of people who attended a rally for Sen. Joe Biden on Tuesday, a huge crowd for a candidate polling in single digits. Any of the Republican candidates would be thrilled to draw such a big audience, which suggests that GOP voters aren't as energized as Democrats.
13 — Number of times Sen. Chris Dodd said "results" in his stump speech, suggesting it takes a white-haired Washington veteran like him to produce any.
49th — The name of the Des Moines, Iowa, street where Dodd and his family rented a home for the caucus campaign.
3 — Number of dogs on Huckabee's campaign bus. It's also the number of times he said "cynical" during a news conference he called to both unveil a negative ad and denounce negative ads.
2 — Number of times he called Romney "dishonest" in the ad.
2b —The page and section where The Des Moines Register placed its story about Huckabee's news conference. While the national press corps laughed at Huckabee during the news conference, Iowans — the folks who really matter — may take seriously his pledge to forsake negative politics.
37 — Percentage of GOP caucus-goers in 2000 who said they were part of the "religious right."
15 — Years since Huckabee entered politics as a former Baptist minister.
2 — Number of sentences between when Rudy Giuliani said he doesn't mean to sound like he's taking sole credit for reducing crime in New York City, and when he said, "But the reality is I was elected to reduce crime in New York City, and I did."
1 — Number of candidates compelled to argue he's a factor in the race. "I think we are very relevant," Rudy Giuliani told The Associated Press.
6 — Millions of dollars Mitt Romney spent to air ads in Iowa.
5 — Millions of dollars Huckabee raised in the fourth quarter, his best showing by far.
2nd — Where Fred Thompson said he needs to finish in Iowa.
3rd — Where he'll be lucky to finish. One poll had him tied for fourth with surging Ron Paul.
How soon do we forget:
6 — Number of days until the New Hampshire primary.