Rank	Countries/Territories	Count	Percent
1	China	540	45.2%
2	United States	375	31.4%
3	Germany	108	9%
4	France	30	2.5%
5	Canada	21	1.8%
6	Russia	15	1.3%
7	Japan	13	1.1%
8	Korea, Republic of	13	1.1%
9	India	10	0.8%
10	Netherlands	8	0.7%
11	United Kingdom	7	0.6%
12	Sweden	7	0.6%
13	Singapore	5	0.4%
14	Malaysia	4	0.3%
15	Nigeria	4	0.3%
16	Cyprus	4	0.3%
17	Australia	3	0.3%
18	Indonesia	3	0.3%
19	Ireland	3	0.3%
20	Philippines	3	0.3%
21	Saudi Arabia	2	0.2%
22	Lithuania	2	0.2%
23	Bangladesh	2	0.2%
24	Spain	2	0.2%
25	Taiwan	2	0.2%
26	Tanzania, United Republic of	2	0.2%
27	Turkey	1	0.1%
28	United Arab Emirates	1	0.1%
29	Switzerland	1	0.1%
30	Brazil	1	0.1%
31	Denmark	1	0.1%
32	Italy	1	0.1%