TABLE 1.    DATA and QC SUMMARY

YEAR 
TOTAL #
PROFILES
 # Profiles  
with ALL data 
CLASS*  
1 or 2		 # Profiles  
with ALL data 
CLASS*  
3 or 4		 # Profiles  
with BOTH good and bad data (CLASS*  
1 or 2 AND 
3 or 4)		 # Profiles  
with some data CHANGED from CLASS  
3 or 4 to CLASS 
1 or 2		 # Profiles  
with some data CHANGED from  CLASS  
1 or 2 to CLASS 
3 or 4		 #(%) REAL TIME Profiles not replaced by DELAYED MODE
1990 5326 4878  207 241 448 98 1654 (31.1%)
1991 4453  4231 174 48 217 131 653  (14.7%)
1992 5379 4522 583 274 875 118 930  (17.3%)
1993 7959 6487 454 1016 1371 242 1950 (24.5%)
1994 8882 7007 689 1186 979 564 3400 (38.3%)
1995 7649 5556 590 1503 825 1937 2126 (27.8%)
TOTALS 39,648 32,681 2697 4268 4715 3090 10,713
% (82.4%) (6.8%)  (10.8%) (11.9%) (7.8%) (27.0%)
*NB: Class 1 is good data; Class 2 is good data with unconfirmed features; Class 3 is "probably" bad data; Class 4 is bad data.