The below figures include only those killed, not those taken prisoners or wounded.

June 1941	25.000
July 1941	63.099
Aug 1941	46.066
Sep 1941	51.033
Oct 1941	41.099
Nov 1941	36.000
Dec 1941	40.198
Total 1941	302.495 (11,0%)
Jan 1942	48.165
Feb 1942	44.099
Mar 1942	44.132
Apr 1942	23.066
May 1942	38.099
June 1942	29.033
July 1942	38.066
Aug 1942	62.165
Sep 1942	45.033
Oct 1942	25.000
Nov 1942	31.198
Dec 1942	78.759
Total 1942	506.815 (18,4%)
Jan 1943	180.310
Feb 1943	68.330
Mar 1943	46.066
Apr 1943	16.000
May 1943	19.066
June 1943	13.066
July 1943	71.231
Aug 1943	59.198
Sep 1943	57.429
Oct 1943	53.264
Nov 1943	67.363
Dec 1943	49.330
Total 1943	700.653 (25,6%)
Jan 1944	70.330
Feb 1944	64.429
Mar 1944	93.660
Apr 1944	73.264
May 1944	48.363
June 1944	142.079
July 1944	169.881
Aug 1944	277.465
Sep 1944	70.561
Oct 1944	92.528
Nov 1944	45.363
Dec 1944	85.253
Total 1944	1.232.946 (45,0%)
Total	2.742.909

Sources used

Rüdiger Overmans - Deutsche militärische Verluste im Zweiten Weltkrieg