league average goals per game each year NHL

	LEAGUE	G/GP	SEASON	GP	W	L	T	PTS	PTS%	G	GA	DIFF
1	NHL	5.03	1917-18	68	36	36	0	72	.529	342	342	0
2	NHL	4.13	1918-19	54	27	27	0	54	.500	223	223	0
3	NHL	4.79	1919-20	96	48	48	0	96	.500	460	460	0
4	NHL	4.23	1920-21	96	48	48	0	96	.500	406	406	0
5	NHL	3.96	1921-22	96	46	46	4	96	.500	380	380	0
6	NHL	3.26	1922-23	96	46	46	4	96	.500	313	313	0
7	NHL	2.66	1923-24	96	48	48	0	96	.500	255	255	0
8	NHL	2.50	1924-25	180	87	87	6	180	.500	450	450	0
9	NHL	2.31	1925-26	252	115	115	22	252	.500	581	581	0
10	NHL	2.00	1926-27	440	202	202	36	440	.500	879	879	0
11	NHL	1.90	1927-28	440	183	183	74	440	.500	836	836	0
12	NHL	1.46	1928-29	440	173	173	94	440	.500	642	642	0
13	NHL	2.96	1929-30	440	191	191	58	440	.500	1,301	1,301	0
14	NHL	2.40	1930-31	440	187	187	66	440	.500	1,054	1,054	0
15	NHL	2.49	1931-32	384	157	157	70	384	.500	957	957	0
16	NHL	2.28	1932-33	432	179	179	74	432	.500	983	983	0
17	NHL	2.41	1933-34	432	178	178	76	432	.500	1,041	1,041	0
18	NHL	2.52	1934-35	432	189	189	54	432	.500	1,087	1,087	0
19	NHL	2.16	1935-36	384	158	158	68	384	.500	831	831	0
20	NHL	2.46	1936-37	384	164	164	56	384	.500	946	946	0
21	NHL	2.53	1937-38	384	156	156	72	384	.500	972	972	0
22	NHL	2.53	1938-39	336	143	143	50	336	.500	851	851	0
23	NHL	2.49	1939-40	336	147	147	42	336	.500	838	838	0
24	NHL	2.68	1940-41	336	137	137	62	336	.500	900	900	0
25	NHL	3.12	1941-42	336	156	156	24	336	.500	1,047	1,047	0