2013-05: 138 GB
2013-04: 162 GB
2013-03: 152 GB
2013-02: 134 GB
2013-01: 156 GB
2012-12: 133 GB
2012-11: 130 GB
2012-10: 117 GB
2012-09: 107 GB
2012-08: 89 GB
2012-07: 123 GB
2012-06: 94 GB
2012-05: 91 GB
2012-04: 109 GB
2012-03: 129 GB
2012-02: 100 GB
2012-01: 111 GB
2011-12: 110 GB
2011-11: 101 GB
2011-10: 102 GB
2011-09: 97 GB
2011-08: 116 GB
2011-07: 107 GB
2011-06: 71 GB
2011-05: 75 GB
2011-04: 63 GB
2011-03: 71 GB
2011-02: 77 GB
2011-01: 88 GB
2010-12: 60 GB
2010-11: 78 GB
2010-10: 61 GB
2010-09: 60 GB
2010-08: 59 GB
2010-07: 64 GB
2010-06: 59 GB
2010-05: 64 GB
2010-04: 69 GB
2010-03: 74 GB
2010-02: 63 GB
2010-01: 73 GB
2009-12: 63 GB
2009-11: 64 GB
2009-10: 65 GB
2009-09: 85 GB
2009-08: 59 GB
2009-07: 58 GB
2009-06: 54 GB
2009-05: 32 GB
2009-04: 33 GB
2009-03: 35 GB
2009-02: 29 GB
2009-01: 32 GB
2008-12: 29 GB
2008-11: 30 GB
2008-10: 27 GB
2008-09: 43 GB
2008-08: 38 GB
2008-07: 26 GB
2008-06: 27 GB
2008-05: 28 GB
2008-04: 55 GB
2008-03: 20 GB
2008-02: 51 GB
2008-01: 40 GB
2007-12: 53 GB