including files 
XIS0CI_from20090501_0006to20090501_2344.evlist.gz
XIS0CI_from20090502_0004to20090502_2259.evlist.gz
XIS0CI_from20090503_0001to20090504_0000.evlist.gz
XIS0CI_from20090504_0000to20090504_2358.evlist.gz
XIS0CI_from20090505_0002to20090506_0000.evlist.gz
XIS0CI_from20090506_0000to20090506_1641.evlist.gz
XIS0CI_from20090507_0323to20090508_0000.evlist.gz
XIS0CI_from20090508_0000to20090509_0000.evlist.gz
XIS0CI_from20090509_0000to20090509_2324.evlist.gz
XIS0CI_from20090510_0000to20090511_0000.evlist.gz
XIS0CI_from20090511_0000to20090512_0000.evlist.gz
XIS0CI_from20090512_0000to20090513_0000.evlist.gz
XIS0CI_from20090513_0000to20090514_0000.evlist.gz
XIS0CI_from20090514_0000to20090515_0000.evlist.gz
XIS0CI_from20090515_0000to20090516_0000.evlist.gz
XIS0CI_from20090516_0000to20090517_0000.evlist.gz
XIS0CI_from20090517_0000to20090518_0000.evlist.gz
XIS0CI_from20090518_0000to20090519_0000.evlist.gz
XIS0CI_from20090519_0000to20090520_0000.evlist.gz
XIS0CI_from20090520_0000to20090521_0000.evlist.gz
XIS0CI_from20090521_0000to20090522_0000.evlist.gz
XIS0CI_from20090522_0000to20090523_0000.evlist.gz
XIS0CI_from20090523_0000to20090524_0000.evlist.gz
XIS0CI_from20090524_0000to20090525_0000.evlist.gz
XIS0CI_from20090525_0000to20090525_0844.evlist.gz
XIS0CI_from20090530_0154to20090530_2332.evlist.gz
XIS0CI_from20090531_0007to20090531_2331.evlist.gz
There are 7 pixels with more than 2771 events in 205471 frames in the cal source region.
          18         786       42504
          18         840       48031
          18         894       77624
          18         948       82006
        1006         949       22867
          18        1002       74864
         198        1008       91007