yearmonth	created	closed
2005-11-29	75	25
2005-12-29	12	15
2006-01-29	26	16
	21	11
2006-03-29	15	28
2006-04-29	100	52
2006-05-29	45	37
2006-06-29	180	159
2006-07-29	43	45
2006-08-29	73	72
2006-09-29	57	43
2006-10-29	37	40
2006-11-29	21	19
2006-12-29	31	31
2007-01-29	23	38
	172	76
2007-03-29	254	179
2007-04-29	58	48
2007-05-29	151	150
2007-06-29	144	133
2007-07-29	62	51
2007-08-29	54	48
2007-09-29	67	81
2007-10-29	88	105
2007-11-29	53	62
2007-12-29	81	39
2008-01-29	100	63
2008-02-29	173	164
2008-03-29	165	158
2008-04-29	152	115
2008-05-29	135	111
2008-06-29	132	143
2008-07-29	107	101
2008-08-29	77	80
2008-09-29	107	101
2008-10-29	273	189
2008-11-29	199	208
2008-12-29	86	79
2009-01-29	136	105
	293	185
2009-03-29	201	168
2009-04-29	132	117
2009-05-29	175	182
2009-06-29	245	237
2009-07-29	103	100
2009-08-29	223	172
2009-09-29	335	196
2009-10-29	266	208
2009-11-29	223	207
2009-12-29	147	135
2010-01-29	239	148
	218	266
2010-03-29	380	375
2010-04-29	189	194
2010-05-29	207	156
2010-06-29	210	229
2010-07-29	120	115
2010-08-29	200	186
2010-09-29	280	239
2010-10-29	147	164
2010-11-29	216	200
2010-12-29	145	122
2011-01-29	187	231
	174	206
2011-03-29	220	143
2011-04-29	180	130
2011-05-29	243	184
2011-06-29	91	78
2011-07-29	154	129
2011-08-29	155	149
2011-09-29	290	179
2011-10-29	182	267
2011-11-29	280	239
2011-12-29	159	133
2012-01-29	197	241
2012-02-29	159	187
2012-03-29	242	230
2012-04-29	228	204
2012-05-29	251	189
2012-06-29	247	208
2012-07-29	229	182
2012-08-29	231	177
2012-09-29	189	152
2012-10-29	324	322
2012-11-29	248	246
2012-12-29	121	122
2013-01-29	195	184
	275	227
2013-03-29	216	177
2013-04-29	207	160
2013-05-29	247	263
2013-06-29	219	171
2013-07-29	155	139
2013-08-29	145	102
2013-09-29	288	233
2013-10-29	414	281
2013-11-29	285	341
2013-12-29	198	206
2014-01-29	458	303
	383	340
2014-03-29	456	348
2014-04-29	337	232
2014-05-29	435	453
2014-06-29	359	222
2014-07-29	281	219
2014-08-29	319	299
2014-09-29	238	193