Call Response History
Year North South Paid
1991 663    
1992 651    
1993 740    
1994 703 n/a  
1995 649 430  
1996 662 432  
1997 685 461  
1998 714 600  
1999 780 445  
2000 849 n/a  
2001 785 n/a  
2002 n/a n/a  
2003 735 n/a  
2004 581 n/a  
2005 303 n/a  
2006 218 432 860
2007 306 n/a 944
2008 312 461 975

(TFEMS – South began limited operation in March 1994. They were in full operation in 1995)