height															
          >=    	 <
	  
        11.0	11.5	  0	  0	  0	  0	  0	  0	  0	  0	  0	  0	  1	  0	  0 
        10.5	11.0	  0	  0	  0	  0	  0	  0	  0	  0	  0	  0	  3	  1	  0 
        10.0	10.5	  0	  0	  0	  0	  0	  0	  0	  0	  1	  2	  4	  4	  0 
        9.5	10.0	  0	  0	  0	  0	  0	  0	  0	  0	  1	  6	  6	  4	  0 
        9.0	9.5	  0	  0	  0	  0	  0	  0	  0	  0	  4	  13	  5	  4	  0 
        8.5	9.0	  0	  0	  0	  0	  0	  0	  0	  0	  16	  26	  9	  3	  0 
        8.0	8.5	  0	  0	  0	  0	  0	  0	  0	  2	  21	  47	  6	  2	  0 
        7.5	8.0	  0	  0	  0	  0	  0	  0	  0	  2	  67	  58	  3	  0	  1 
        7.0	7.5	  0	  0	  0	  0	  0	  0	  0	  6	  128	  50	  5	  2	  1 
        6.5	7.0	  0	  0	  0	  0	  0	  0	  1	  51	  219	  60	  5	  0	  0 
        6.0	6.5	  0	  0	  0	  0	  0	  0	  3	  165	  270	  42	  5	  1	  0 
        5.5	6.0	  0	  0	  0	  0	  0	  1	  9	  462	  309	  44	  1	  0	  0 
        5.0	5.5	  0	  0	  0	  0	  0	  3	 92	  887	  299	  29	  5	  0	  0 
        4.5	5.0	  0	  0	  0	  0	  0	  3	 477	  1273	  203	  19	  2	  0	  0 
        4.0	4.5	  0	  0	  0	  0	  2	  24	 1613	  1255	  201	  26	  3	  0	  1 
        3.5	4.0	  0	  0	  0	  0	  2	  318	 3029	  996	  148	  23	  4	  0	  0 
        3.0	3.5	  0	  0	  0	  0	  10	  1889	 3546	  776	  133	  30	  4	  0	  0 
        2.5	3.0	  0	  0	  0	  2	  205	  4940	 3151	  675	  153	  22	  1	  0	  0 
        2.0	2.5	  0	  0	  0	  17	  2102	  7079	 2624	  612	  131	  28	  10	  0	  0 
        1.5	2.0	  0	  0	  0	  302	  6717	  6545	 1808	  394	  79	  22	  11	  0	  2 
        1.0	1.5	  0	  0	  11	  2592	  8091	  4765	 1334	  247	  66	  31	  12	  2	  3 
        0.5	1.0	  0	  0	  356	  4390	  4470	  2031	 565	  178	  70	  30	  10	  1	  0 
	0.0	0.5	  2	  0	  153	  635	  450	  227	 105	  54	  24	  17	  12	  0	  0
	
		>=	  0	  1	  2	  3	  4	  5	 6	  7	  8	  9	  10	  11	  12
	period
		<	  1	  2	  3	  4	  5	  6	 7	  8	  9	  10	  11	  12	  13