The lack of women on the radio is a known and oft-discussed problem. But until now it has only been discussed in terms of the present, as in how many songs by female solo artists are on the charts today? Can you remember the last time a solo female had a No. 1 hit?

It's been a long time. In fact it didn't happen at all in 2013. Carrie Underwood, Taylor Swift and Miranda Lambert are the only three consistently successful female country stars. You have to go back a decade to find another new female artist celebrating her first No. 1 hit. Taste of Country writer Billy Dukes compares the number of female chart-toppers to men --- it's stunning. Watch the video above to see the results.

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