Rank	Countries/Territories	Count	Percent
1	China	274	34.3%
2	United States	238	29.8%
3	Germany	103	12.9%
4	Australia	20	2.5%
5	Canada	17	2.1%
6	Japan	16	2%
7	India	13	1.6%
8	Netherlands	12	1.5%
9	United Kingdom	12	1.5%
10	France	11	1.4%
11	Iran, Islamic Republic of	8	1%
12	Turkey	6	0.8%
13	Sweden	6	0.8%
14	Russia	6	0.8%
15	Korea, Republic of	5	0.6%
16	Spain	5	0.6%
17		5	0.6%
18	Belgium	4	0.5%
19	Cuba	4	0.5%
20	Singapore	4	0.5%
21	Qatar	3	0.4%
22	Cyprus	3	0.4%
23	Ireland	3	0.4%
24	Italy	3	0.4%
25	Hong Kong	2	0.3%
26	Taiwan	2	0.3%
27	Uganda	2	0.3%
28	New Zealand	2	0.3%
29	Pakistan	2	0.3%
30	Portugal	2	0.3%
31	Ukraine	1	0.1%
32	Iceland	1	0.1%
33	Greece	1	0.1%
34	Brazil	1	0.1%
35	Argentina	1	0.1%