Year	Number of Firms
1992-01-01	108
1997-01-01	184
2002-01-01	185
2003-01-01	200
2004-01-01	190
2005-01-01	204
2006-01-01	188
2007-01-01	217
2008-01-01	199
2009-01-01	186
2010-01-01	184
2011-01-01	169
2012-01-01	163
2013-01-01	163
2014-01-01	160
2015-01-01	153
2016-01-01	146