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More than four months ago, Democrats in Iowa headed to their first-in-the-nation caucuses to choose their nominee to succeed President Barack Obama. Since then, Hillary Clinton and Bernie Sanders have battled over millions of votes, hundreds of millions of fundraising dollars, thousands of delegates and one ultimate crown – to be the party’s standard-bearer.

Clinton has accumulated a majority of all Democratic delegates, making her the presumptive presidential nominee of the Democratic Party, but Sanders remains in the race even after the conclusion of the final primary of the year on June 14 in the District of Columbia.

Here’s how the Democratic nomination race played out, by the numbers:

Days since the Iowa caucuses: 135

Pledged delegates won by Bernie Sanders: 1,825 (45 percent)

Pledged delegates won by Hillary Clinton: 2,217 (55 percent)

Total delegate count (pledged and superdelegates)

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Highest NBC News | SurveyMonkey polling average for Sanders vs. Clinton:

43 percent to 49 percent, April 4-10, June 2016.

Highest NBC News |SurveyMonkey polling average for Clinton vs. Sanders:

58 percent to 36 percent, June 6-12, 2016.

Primaries won by Bernie Sanders: 10

Primaries won by Hillary Clinton: 28

Caucuses/conventions won by Bernie Sanders: 12

Caucuses/conventions won by Hillary Clinton: 6

Total spent on TV ads by Hillary Clinton’s campaign: $44.9 million

Total spent on TV ads by Bernie Sanders’ campaign: $58.8 million

Clinton’s lead over Sanders with self-described Democrats, according to exit polls:

64 percent to 35 percent

Sanders’ lead over Clinton with self-described independents, according to exit polls:

64 percent to 34 percent.