including files 
XIS0CI_from20070401_1755to20070401_2356.evlist.gz
XIS0CI_from20070402_0008to20070403_0000.evlist.gz
XIS0CI_from20070403_0000to20070404_0000.evlist.gz
XIS0CI_from20070404_0000to20070405_0000.evlist.gz
XIS0CI_from20070405_0000to20070406_0000.evlist.gz
XIS0CI_from20070406_0000to20070407_0000.evlist.gz
XIS0CI_from20070407_0000to20070408_0000.evlist.gz
XIS0CI_from20070408_0000to20070409_0000.evlist.gz
XIS0CI_from20070409_0000to20070410_0000.evlist.gz
XIS0CI_from20070410_0000to20070411_0000.evlist.gz
XIS0CI_from20070411_0000to20070412_0000.evlist.gz
XIS0CI_from20070412_0000to20070413_0000.evlist.gz
XIS0CI_from20070413_0000to20070414_0000.evlist.gz
XIS0CI_from20070414_0000to20070415_0000.evlist.gz
XIS0CI_from20070415_0000to20070416_0000.evlist.gz
XIS0CI_from20070416_0000to20070417_0000.evlist.gz
XIS0CI_from20070417_0000to20070418_0000.evlist.gz
XIS0CI_from20070418_0000to20070419_0000.evlist.gz
XIS0CI_from20070419_0000to20070419_1005.evlist.gz
XIS0CI_from20070421_0624to20070422_0000.evlist.gz
XIS0CI_from20070422_0000to20070423_0000.evlist.gz
XIS0CI_from20070423_0000to20070424_0000.evlist.gz
XIS0CI_from20070424_0000to20070425_0000.evlist.gz
XIS0CI_from20070425_0000to20070426_0000.evlist.gz
XIS0CI_from20070426_0000to20070427_0000.evlist.gz
XIS0CI_from20070427_0000to20070428_0000.evlist.gz
XIS0CI_from20070428_0000to20070428_2014.evlist.gz
XIS0CI_from20070429_0031to20070429_2350.evlist.gz
XIS0CI_from20070430_0027to20070430_1939.evlist.gz
There are 7 pixels with more than 2496 events in 219753 frames in the cal source region.
          18         786       39988
          18         840       41393
         879         842        9788
          18         894       56205
          18         948       71142
         194         969        7254
          18        1002       82789