According to figures released last week by French regulator L'Autorité de régulation des jeux en ligne (ARJEL), the amount wagered rose from €516m in Q1 2016 to €633m in the first four months of 2017,

From Yogonet.com:

Overall, the number of gamblers who made at least one online bet of any sort in Q1 2017 increased year-on-year by 10% to almost 1.5m, also a new quarterly record in French online sports betting.

In addition to that, year-on-year revenue generated from sports betting grew 16% from €82m in Q1 2016 to €94m for the same period of 2017.

The number of female sports bettors increased by 40% to 79,000, almost twice the amount of increase in the number of male bettors which increased 21% to 829,000.
Click here to read the entire report: http://www.arjel.fr/IMG/pdf/rapport-activite-2016.pdf

ARJEL says that a English version of the report will be available in the coming weeks.