Rank	Countries/Territories	Count	Percent
1	China	551	36.8%
2	United States	543	36.3%
3	Germany	129	8.6%
4	Japan	68	4.5%
5	France	24	1.6%
6	Singapore	22	1.5%
7	Netherlands	16	1.1%
8	Russia	15	1%
9		14	0.9%
10	Korea, Republic of	11	0.7%
11	India	11	0.7%
12	Iran, Islamic Republic of	9	0.6%
13	Ireland	9	0.6%
14	United Kingdom	9	0.6%
15	Australia	8	0.5%
16	Cyprus	7	0.5%
17	Poland	7	0.5%
18	Italy	6	0.4%
19	Canada	5	0.3%
20	Argentina	4	0.3%
21	Norway	4	0.3%
22	Taiwan	4	0.3%
23	Switzerland	3	0.2%
24	Mongolia	3	0.2%
25	Belgium	3	0.2%
26	Egypt	3	0.2%
27	Turkey	2	0.1%
28	Ukraine	2	0.1%
29	Sweden	1	0.1%
30	Romania	1	0.1%
31	Colombia	1	0.1%
32	Malaysia	1	0.1%