which team has the highest power play percentage in 2014-15 to 2017-18 to 2020-21

Between the 2014-15 and 2017-18 seasons, the Washington Capitals had the highest power-play percentage by a team, at 23.2 percent.

	TEAM	PP%	GP	W	L	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Capitals	23.2	328	205	89	34	444	.677	14	12	1,002	805	197	82.6	29.89	10.2	29.25	.916
2	Penguins	21.7	328	188	103	37	413	.630	14	17	1,006	880	126	82.3	33.18	9.2	30.67	.913
3	Golden Knights	21.3	82	51	24	7	109	.665	4	3	268	225	43	81.4	32.76	10.0	30.74	.911
4	Bruins	21.1	328	177	109	42	396	.604	13	18	944	849	95	83.4	32.29	8.9	29.06	.911
5	Flyers	20.6	328	155	117	56	366	.558	15	31	884	900	-16	78.3	31.00	8.7	29.82	.908
6	Sharks	20.4	328	177	119	32	386	.588	15	13	927	859	68	81.1	31.21	9.1	28.77	.909
7	Lightning	20.3	328	192	108	28	412	.628	16	13	1,003	862	141	81.3	30.37	10.1	29.96	.912
8	Blues	20.1	328	190	109	29	409	.623	19	10	914	832	82	83.4	30.54	9.1	28.77	.912
9	Maple Leafs	19.7	328	148	139	41	337	.514	19	21	918	961	-43	81.5	31.00	9.0	32.62	.910
10	Kings	19.6	328	172	119	37	381	.581	8	16	877	792	85	83.0	31.27	8.5	27.82	.913
11	Devils	19.6	328	142	141	45	329	.502	15	20	781	892	-111	81.2	27.10	8.8	30.66	.911
12	Stars	19.6	328	167	123	38	372	.567	11	10	975	967	8	79.4	31.24	9.5	29.61	.900
13	Rangers	19.2	328	181	116	31	393	.599	13	16	962	881	81	80.9	30.16	9.7	31.33	.914
14	Predators	19.1	328	182	99	47	411	.627	18	19	949	839	110	81.3	31.46	9.2	29.54	.913
15	Red Wings	19.0	328	147	130	51	345	.526	20	16	850	928	-78	80.2	29.53	8.8	30.13	.906
16	Blue Jackets	19.0	328	171	129	28	370	.564	23	12	923	915	8	80.1	30.65	9.2	31.55	.912
17	Sabres	19.0	328	116	169	43	275	.419	13	20	749	993	-244	78.1	28.81	7.9	33.31	.909
18	Ducks	18.9	328	187	97	44	418	.637	18	19	894	815	79	84.1	30.00	9.1	29.79	.917
19	Wild	18.9	328	178	112	38	394	.601	13	10	953	837	116	82.2	30.18	9.6	29.41	.913
20	Islanders	18.9	328	168	121	39	375	.572	17	18	972	966	6	79.4	31.20	9.5	31.55	.907
21	Jets	18.6	328	170	120	38	378	.576	17	12	954	911	43	79.9	30.36	9.6	30.28	.908
22	Blackhawks	18.5	328	178	116	34	390	.595	15	8	922	859	63	80.1	32.24	8.7	31.32	.916
23	Oilers	18.5	328	138	153	37	313	.477	18	16	864	987	-123	78.9	30.50	8.6	30.68	.902
24	Canadiens	18.3	328	164	126	38	366	.558	17	16	860	873	-13	80.2	30.44	8.6	30.36	.912
25	Flames	18.0	328	162	138	28	352	.537	12	13	904	932	-28	80.0	29.87	9.2	29.50	.904