when was the last time the toronto maple leafs had the highest powerplay percentage

The Toronto Maple Leafs averaged a power-play percentage of 27.3 in 2021-22.

Interpreted as:

When was the last time the toronto maple leafs had the highest powerplay percentage in a regular season?

	TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Maple Leafs	27.3	2021-22	82	54	21		7	115	.701	3	1	312	252	60	82.1	34.57	11.0	30.62	.900
2	Maple Leafs	26.0	2022-23	82	50	21		11	111	.677	1	2	278	220	58	81.9	32.05	10.6	29.51	.909
3	Maple Leafs	25.4	1978-79	80	34	33	13		81	.506			267	252	15	78.8	30.54	10.9	31.48	.900
4	Maple Leafs	25.3	1980-81	80	28	37	15		71	.444			322	367	-45	77.4	34.31	11.7	33.55	.863
5	Maple Leafs	25.1	2017-18	82	49	26		7	105	.640	7	2	270	230	40	81.3	32.20	10.2	33.85	.917
6	Maple Leafs	24.7	1979-80	80	35	40	5		75	.469			304	327	-23	79.1	32.42	11.7	33.28	.877
7	Maple Leafs	23.9	2023-24	82	46	26		10	102	.622	5	2	298	261	37	76.9	32.60	11.1	29.84	.893
8	Maple Leafs	23.8	2016-17	82	40	27		15	95	.579	1	8	250	234	16	82.5	31.91	9.6	32.60	.912
9	Maple Leafs	23.3	1989-90	80	38	38	4		80	.500			337	358	-21	78.2	30.44	13.8	34.98	.872
10	Maple Leafs	23.1	2019-20	70	36	25		9	81	.579	1	5	237	222	15	77.7	32.89	10.3	31.90	.901
11	Maple Leafs	22.5	1982-83	80	28	40	12		68	.425			293	330	-37	75.0	28.39	12.9	31.81	.870
12	Maple Leafs	21.8	2018-19	82	46	28		8	100	.610	0	2	286	249	37	79.9	33.37	10.5	33.13	.908
13	Maple Leafs	21.7	1983-84	80	26	45	9		61	.381			303	387	-84	73.6	29.36	12.9	35.40	.863
14	Maple Leafs	21.4	2005-06	82	41	33		8	90	.549	3	7	254	263	-9	80.0	28.33	10.9	30.60	.895
15	Maple Leafs	21.3	1977-78	80	41	29	10		92	.575			271	237	34	81.4	29.68	11.4	30.38	.902
16	Maple Leafs	21.0	1992-93	84	44	29	11		99	.589			288	241	47	82.4	30.37	11.3	29.05	.901
17	Maple Leafs	20.3	1981-82	80	20	44	16		56	.350			298	380	-82	73.0	29.10	12.8	34.71	.863
18	Maple Leafs	20.1	2003-04	82	45	24	10	3	103	.628			242	204	38	83.4	27.48	10.7	26.43	.906
19	Maple Leafs	20.0	2020-21	56	35	14		7	77	.688	1	0	186	148	38	78.5	31.27	10.6	27.82	.905
20	Maple Leafs	19.8	2013-14	82	38	36		8	84	.512	9	4	222	252	-30	78.4	27.93	9.7	35.91	.914
21	Maple Leafs	19.8	1984-85	80	20	52	8		48	.300			253	358	-105	73.9	29.08	10.9	32.88	.864
22	Maple Leafs	19.2	1993-94	84	43	29	12		98	.583			280	243	37	81.9	30.12	11.1	30.40	.905
23	Maple Leafs	18.9	1995-96	82	34	36	12		80	.488			247	252	-5	82.6	32.62	9.2	31.84	.903
24	Maple Leafs	18.9	2024-25	29	18	9		2	38	.655	0	0	85	74	11	82.2	28.79	10.2	28.97	.912
25	Maple Leafs	18.8	2008-09	82	34	35		13	81	.494	6	7	244	286	-42	74.7	31.74	9.4	30.26	.885