(photo: Michael Appleton/Mayoral Photography Office)

Spending on this year’s mayoral election has already surpassed the $100 million mark, according to the latest campaign finance reports that were filed on Friday. Those filings show fundraising and expenditures by the Democratic and Republican candidates for mayor, including the top eight Democratic mayoral candidates who made the televised debates, as well as independent expenditure groups, also known as political action committees (PACs), which spent for or against candidates.

The top eight

Gov. Cuomo votes (photo via The Governor's Office on flickr)

"There's a lot of states ahead," Mayor Bill de Blasio said on MSNBC late Monday night from Iowa, where he spent the weekend campaigning for Hillary Clinton in her bid to become the Democratic nominee and next President of the United States.

And de Blasio is right - there are 49 more states and the District of Columbia to vote before the primary season is over. New York will be the 37th state to hold a vote when April 19 comes around.

As de Blasio spoke, it was still