Year	Number of Firms
1992-01-01	61
1997-01-01	125
2002-01-01	163
2003-01-01	163
2004-01-01	162
2005-01-01	173
2006-01-01	190
2007-01-01	179
2008-01-01	183
2009-01-01	188
2010-01-01	217
2011-01-01	208
2012-01-01	218
2013-01-01	196
2014-01-01	215
2015-01-01	243
2016-01-01	225