Pleasant statistic for Ethereum Blockchain is here:

Comparing indicator "Leading platform for ICOs":

1.Q1 2018: Ethereum Blockchain is still leader, but it has 68% part. Other 32% part belong to "Other" category including EOS, Waves and NEO.
2.Q3 2018: 90% of ICOs were conducted on the Ethereum blockchain in Q3 2018.

Good sign!

https://research.suicide.ventures/ico-sto-analysis-for-q3-2018/