Year	Number of Firms
1992-01-01	68
1997-01-01	120
2002-01-01	136
2003-01-01	132
2004-01-01	141
2005-01-01	139
2006-01-01	163
2007-01-01	171
2008-01-01	187
2009-01-01	165
2010-01-01	218
2011-01-01	217
2012-01-01	234
2013-01-01	213
2014-01-01	210
2015-01-01	199
2016-01-01	178