Applications for the diversity visa lottery have doubled in the past 10 years, while the number, set by Congress, has not changed. http://www.pewresearch.org/fact-tank/2017/03/24/applications-for-u-s-visa-lottery-more-than-doubled-since-2007/?utm_content=bufferda374&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer
So you need to be realistic about your odds.