Year	Number of Firms
1992-01-01	106
1997-01-01	146
2002-01-01	179
2003-01-01	183
2004-01-01	213
2005-01-01	248
2006-01-01	257
2007-01-01	273
2008-01-01	295
2009-01-01	276
2010-01-01	316
2011-01-01	342
2012-01-01	344
2013-01-01	370
2014-01-01	390
2015-01-01	362
2016-01-01	335