Rank	Countries/Territories	Count	Percent
1	China	172	54.8%
2	United States	50	15.9%
3	Germany	16	5.1%
4	Netherlands	13	4.1%
5	Japan	8	2.5%
6	India	8	2.5%
7	Taiwan	8	2.5%
8	United Kingdom	8	2.5%
9	Bulgaria	4	1.3%
10	France	3	1%
11	Australia	3	1%
12	Belgium	3	1%
13	Singapore	3	1%
14	South Africa	2	0.6%
15	Pakistan	2	0.6%
16	Qatar	2	0.6%
17	Argentina	2	0.6%
18	Bangladesh	2	0.6%
19	Iran, Islamic Republic of	1	0.3%
20	Russia	1	0.3%
21	Korea, Republic of	1	0.3%
22	Mongolia	1	0.3%
23	Viet Nam	1	0.3%