| Value | Category | Cases | |
|---|---|---|---|
| 1997-05-01 | 1 |
0.4%
|
|
| 2001-04-01 | 1 |
0.4%
|
|
| 2007-07-01 | 1 |
0.4%
|
|
| 2007-12-01 | 1 |
0.4%
|
|
| 2008-01-01 | 1 |
0.4%
|
|
| 2008-05-01 | 2 |
0.8%
|
|
| 2009-04-01 | 1 |
0.4%
|
|
| 2009-05-01 | 1 |
0.4%
|
|
| 2010-04-01 | 1 |
0.4%
|
|
| 2010-05-01 | 2 |
0.8%
|
|
| 2010-08-01 | 1 |
0.4%
|
|
| 2011-04-01 | 1 |
0.4%
|
|
| 2011-06-01 | 1 |
0.4%
|
|
| 2011-12-01 | 2 |
0.8%
|
|
| 2012-01-01 | 1 |
0.4%
|
|
| 2012-04-01 | 5 |
2.1%
|
|
| 2012-07-01 | 2 |
0.8%
|
|
| 2012-08-01 | 1 |
0.4%
|
|
| 2012-09-01 | 1 |
0.4%
|
|
| 2012-10-01 | 1 |
0.4%
|
|
| 2012-12-01 | 1 |
0.4%
|
|
| 2013-01-01 | 2 |
0.8%
|
|
| 2013-02-01 | 3 |
1.2%
|
|
| 2013-03-01 | 2 |
0.8%
|
|
| 2013-04-01 | 8 |
3.3%
|
|
| 2013-05-01 | 2 |
0.8%
|
|
| 2013-11-01 | 2 |
0.8%
|
|
| 2013-12-01 | 2 |
0.8%
|
|
| 2014-01-01 | 2 |
0.8%
|
|
| 2014-02-01 | 3 |
1.2%
|
|
| 2014-03-01 | 4 |
1.7%
|
|
| 2014-04-01 | 12 |
5%
|
|
| 2014-05-01 | 8 |
3.3%
|
|
| 2014-08-01 | 1 |
0.4%
|
|
| 2014-09-01 | 2 |
0.8%
|
|
| 2014-10-01 | 1 |
0.4%
|
|
| 2014-11-01 | 2 |
0.8%
|
|
| 2014-12-01 | 2 |
0.8%
|
|
| 2015-01-01 | 5 |
2.1%
|
|
| 2015-02-01 | 4 |
1.7%
|
|
| 2015-03-01 | 9 |
3.7%
|
|
| 2015-04-01 | 16 |
6.6%
|
|
| 2015-05-01 | 13 |
5.4%
|
|
| 2015-06-01 | 3 |
1.2%
|
|
| 2015-07-01 | 1 |
0.4%
|
|
| 2015-08-01 | 3 |
1.2%
|
|
| 2015-09-01 | 3 |
1.2%
|
|
| 2015-11-01 | 8 |
3.3%
|
|
| 2015-12-01 | 6 |
2.5%
|
|
| 2016-01-01 | 28 |
11.6%
|
|
| 2016-02-01 | 11 |
4.5%
|
|
| 2016-03-01 | 9 |
3.7%
|
|
| 2016-04-01 | 32 |
13.2%
|
|
| 2016-05-01 | 4 |
1.7%
|