Filtering all system-like messages from my IRC log from #cbstream - which wasn't connected 100% - I get 451258 lines since 2008-06-25 18:13:19.
That is 111692 in 2008, 183631 in 2009, and 155935 in 2010:
2008-06 => 2044
2008-07 => 13566
2008-08 => 21279
2008-09 => 23197
2008-10 => 18291
2008-11 => 13474
2008-12 => 19792
2009-01 => 21103
2009-02 => 18631
2009-03 => 19685
2009-04 => 19071
2009-05 => 11834
2009-06 => 12290
2009-07 => 15144
2009-08 => 19563
2009-09 => 13468
2009-10 => 13521
2009-11 => 8969
2009-12 => 10352
2010-01 => 10397
2010-02 => 12994
2010-03 => 15667
2010-04 => 15115
2010-05 => 11892
2010-06 => 7966
2010-07 => 14646
2010-08 => 13726
2010-09 => 21651
2010-10 => 17322
2010-11 => 11864
2010-12 => 2695
Enjoy, Have FUN! H.Merijn
