With the last couple rounds of added shows, it looks like the band is embarking on a rather ambitious (especially considering their ages) tour in 2018.
It has snowballed over the last few months. I did a bit of research to compare it with other tours
08 - 53 dates
09 - 51 dates
10 - 54 dates
13 - 48 dates
14 - 60 dates
15 - 38 dates

2018 -52 dates so far.