league average goals per game each year NHL between 1979-80 to 1999-00

	LEAGUE	G/GP	SEASON	GP	W	L	T	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	S%	SA/GP	SV%
1	NHL	3.51	1979-80	1,680	698	698	284		1,680	.500	5,902	5,902	21.9	78.1	29.40	12.0	29.40	.880
2	NHL	3.84	1980-81	1,680	675	675	330		1,680	.500	6,457	6,457	22.6	77.4	30.51	12.6	30.51	.874
3	NHL	4.01	1981-82	1,680	692	692	296		1,680	.500	6,741	6,741	23.0	77.0	31.11	12.9	31.11	.871
4	NHL	3.86	1982-83	1,680	713	713	254		1,680	.500	6,493	6,493	23.0	77.0	30.56	12.6	30.56	.874
5	NHL	3.94	1983-84	1,680	754	754	172		1,680	.500	6,627	6,627	22.0	78.0	30.60	12.9	30.60	.871
6	NHL	3.89	1984-85	1,680	736	736	208		1,680	.500	6,530	6,530	22.3	77.7	30.59	12.7	30.59	.873
7	NHL	3.97	1985-86	1,680	761	761	158		1,680	.500	6,667	6,667	22.2	77.8	31.05	12.8	31.05	.872
8	NHL	3.67	1986-87	1,680	747	747	186		1,680	.500	6,165	6,165	21.1	78.9	30.01	12.2	30.01	.878
9	NHL	3.71	1987-88	1,680	743	743	194		1,680	.500	6,237	6,237	20.3	79.7	30.44	12.2	30.44	.878
10	NHL	3.74	1988-89	1,680	743	743	194		1,680	.500	6,286	6,286	21.0	79.0	30.38	12.3	30.38	.877
11	NHL	3.68	1989-90	1,680	740	740	200		1,680	.500	6,189	6,189	20.8	79.2	30.27	12.2	30.27	.878
12	NHL	3.46	1990-91	1,680	728	728	224		1,680	.500	5,805	5,805	19.4	80.6	29.81	11.6	29.81	.884
13	NHL	3.48	1991-92	1,760	763	763	234		1,760	.500	6,123	6,123	19.2	80.8	30.51	11.4	30.51	.886
14	NHL	3.63	1992-93	2,016	908	908	200		2,016	.500	7,311	7,311	19.6	80.4	30.98	11.7	30.98	.883
15	NHL	3.24	1993-94	2,184	952	952	280		2,184	.500	7,081	7,081	18.6	81.4	30.30	10.7	30.30	.893
16	NHL	2.99	1994-95	1,248	549	549	150		1,248	.500	3,727	3,727	17.7	82.3	29.34	10.2	29.34	.898
17	NHL	3.14	1995-96	2,132	929	929	274		2,132	.500	6,701	6,701	17.9	82.1	30.26	10.4	30.26	.896
18	NHL	2.92	1996-97	2,132	922	922	288		2,132	.500	6,216	6,216	16.3	83.7	29.80	9.8	29.80	.902
19	NHL	2.64	1997-98	2,132	901	901	330		2,132	.500	5,624	5,624	15.1	84.9	27.34	9.6	27.34	.904
20	NHL	2.63	1998-99	2,214	945	945	324		2,214	.500	5,830	5,830	15.8	84.2	27.87	9.4	27.87	.906
21	NHL	2.75	1999-00	2,296	1,002	888	292	114	2,410	.525	6,306	6,306	16.2	83.8	27.98	9.8	27.98	.902