Rank	Countries/Territories	Count	Percent
1	China	268	30.3%
2	United States	230	26%
3	Germany	126	14.2%
4	Belgium	60	6.8%
5	Bulgaria	49	5.5%
6	France	25	2.8%
7	Netherlands	23	2.6%
8	Taiwan	12	1.4%
9	India	12	1.4%
10	Canada	10	1.1%
11	Singapore	10	1.1%
12	Korea, Republic of	9	1%
13	Cyprus	6	0.7%
14	Bolivia, Plurinational State of	5	0.6%
15	Iran, Islamic Republic of	4	0.5%
16	Nigeria	4	0.5%
17	Spain	4	0.5%
18	Romania	3	0.3%
19	Mauritius	3	0.3%
20	Japan	3	0.3%
21	Indonesia	2	0.2%
22	Australia	2	0.2%
23	Czech Republic	2	0.2%
24	Luxembourg	2	0.2%
25	Philippines	2	0.2%
26	Poland	2	0.2%
27	Thailand	2	0.2%
28	Russia	1	0.1%
29	Myanmar	1	0.1%
30	Austria	1	0.1%
31	Georgia	1	0.1%
32	Ghana	1	0.1%