Rank	Countries/Territories	Count	Percent
1	China	180	33.1%
2	United States	177	32.6%
3	Germany	32	5.9%
4	India	18	3.3%
5	Canada	18	3.3%
6	Japan	15	2.8%
7	Egypt	15	2.8%
8	Korea, Republic of	11	2%
9	Malaysia	10	1.8%
10	France	10	1.8%
11	Taiwan	6	1.1%
12	Romania	6	1.1%
13	Singapore	6	1.1%
14	Russia	4	0.7%
15	Australia	4	0.7%
16	Netherlands	3	0.6%
17	Norway	3	0.6%
18	Palestine, State of	3	0.6%
19	United Kingdom	3	0.6%
20	Turkey	2	0.4%
21	Qatar	2	0.4%
22	Serbia	2	0.4%
23	Cyprus	2	0.4%
24	Iraq	2	0.4%
25	Ireland	2	0.4%
26	Indonesia	1	0.2%
27	Iran, Islamic Republic of	1	0.2%
28	Mongolia	1	0.2%
29	Algeria	1	0.2%
30	Hungary	1	0.2%
31	Spain	1	0.2%
32	Pakistan	1	0.2%