The categories are 
2: acts of terror and acts of war 
3: natural disasters 
4: spectator events (sports, galas, etc) 
5: accidents and human disasters 
6: political events and political drama 
7: prayer, peace and meditations 
8: Celebrations
9: Astrological events
Table shows category, number events, StoufferZ, error in Z
2  23     1.383   0.21
3  13     0.655   0.28
4  12     1.098   0.29
5  19     2.001   0.23
6  15     2.695   0.26
7  38     2.221   0.16
8  27    -0.598   0.19
9  8     1.870   0.35