R Ashwin with his 62 test wickets in 2015 and 59 test wickets in 2016 earned the distinction of becoming the eighth bowler in the annals of test cricket to capture 50 plus wickets in two or consecutive years. His feat provides the tenth such occasion. All such occasions are listed below

No	No	Player	Team	Mat	Inns	Balls	Runs	W	5	10	Year
1	1	R Ashwin	Ind	9	17	2260	1067	62	7	2	2015
	2	R Ashwin	Ind	10	19	2707	1347	59	6	2	2016
2	1	Harbhajan Singh	Ind	12	22	3424	1557	60	6	2	2001
	2	Harbhajan Singh	Ind	13	24	3567	1463	63	5	0	2002
3	1	MJ Hoggard	Eng	13	24	2453	1514	58	3	1	2005
	2	MJ Hoggard	Eng	14	26	3131	1560	51	2	0	2006
4	1	MG Johnson	Aus	14	28	3510	1828	63	2	1	2008
	2	MG Johnson	Aus	13	24	3017	1728	63	2	0	2009
5	1	M Muralitharan	Srl	10	17	3740	1463	75	7	3	2000
	2	M Muralitharan	Srl	12	23	4688	1699	80	7	4	2001
	3	M Muralitharan	Srl	8	14	2836	979	55	5	2	2002
6	1	M Muralitharan	Srl	8	15	2049	963	52	4	1	2005
	2	M Muralitharan	Srl	11	21	3532	1521	90	9	5	2006
7	1	GP Swann	Eng	12	21	3108	1508	54	4	0	2009
	2	GP Swann	Eng	14	25	3456	1662	64	6	1	2010
8	1	SK Warne	Aus	16	29	5054	1697	72	2	0	1993
	2	SK Warne	Aus	10	19	3774	1274	70	6	2	1994
9	1	SK Warne	Aus	13	25	3501	1809	58	4	1	2001
	2	SK Warne	Aus	10	20	2874	1310	67	3	1	2002
10	1	SK Warne	Aus	12	22	3472	1685	70	5	2	2004
	2	SK Warne	Aus	15	30	4336	2114	96	6	2	2005
11	1	RGD Willis	Eng	11	21	2146	1049	50	5	0	1977
	2	RGD Willis	Eng	14	26	2977	1067	57	4	0	1978

R Ashwin with his 62 test wickets in 2015 and 59 test wickets in 2016 earned the distinction of becoming the second Indian bowler in the annals of test cricket to capture 50 plus test wickets in consecutive years.  Harbhajan Singh is the other bowler to accomplish such a feat. He had captured 60 test wickets in 2001 and 63 test wickets in 2002. The performance of these two bowlers is listed below

No	No	Player	Team	Mat	Inns	Balls	Runs	W	5	10	Year
1	1	R Ashwin	Ind	9	17	2260	1067	62	7	2	2015
	2	R Ashwin	Ind	10	19	2707	1347	59	6	2	2016
2	1	Harbhajan Singh	Ind	12	22	3424	1557	60	6	2	2001
	2	Harbhajan Singh	Ind	13	24	3567	1463	63	5	0	2002

M Muralitharan of Sri Lanka remains the only bowler in the annals of test cricket to capture 50 plus test wickets in three consecutive years. He had captured 75 test wickets in 2000, 80 test wickets in 2001 and 55 test wickets in 2002. His performance is listed below

No	No	Player	Team	Mat	Inns	Balls	Runs	W	5	10	Year
1	1	M Muralitharan	Srl	10	17	3740	1463	75	7	3	2000
	2	M Muralitharan	Srl	12	23	4688	1699	80	7	4	2001
	3	M Muralitharan	Srl	8	14	2836	979	55	5	2	2002

M Muralitharan of  Sri Lanka and SK Warne of Australia are the only two bowlers to accomplish the feat of capturing 50 plus test wickets in two or more consecutive calendar years on two or more occasions.  M Muralitharan has accomplished such a feat on two occasions, while SK Warne has accomplished the feat on three occasions. The performance of these two bowlers are listed below

No	No	Player	Team	Mat	Inns	Balls	Runs	W	5	10	Year
1	1	M Muralitharan	Srl	10	17	3740	1463	75	7	3	2000
	2	M Muralitharan	Srl	12	23	4688	1699	80	7	4	2001
	3	M Muralitharan	Srl	8	14	2836	979	55	5	2	2002
2	1	M Muralitharan	Srl	8	15	2049	963	52	4	1	2005
	2	M Muralitharan	Srl	11	21	3532	1521	90	9	5	2006
1	1	SK Warne	Aus	16	29	5054	1697	72	2	0	1993
	2	SK Warne	Aus	10	19	3774	1274	70	6	2	1994
2	1	SK Warne	Aus	13	25	3501	1809	58	4	1	2001
	2	SK Warne	Aus	10	20	2874	1310	67	3	1	2002
2	1	SK Warne	Aus	12	22	3472	1685	70	5	2	2004
	2	SK Warne	Aus	15	30	4336	2114	96	6	2	2005