BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 29 25.9%
2 China 28 25%
3 Germany 12 10.7%
4 Netherlands 12 10.7%
5 Singapore 5 4.5%
6 Canada 4 3.6%
7 Colombia 3 2.7%
8 France 3 2.7%
9 Malaysia 3 2.7%
10 Spain 2 1.8%
11 Panama 2 1.8%
12 Australia 2 1.8%
13 Brazil 2 1.8%
14 Korea, Republic of 2 1.8%
15 Hong Kong 2 1.8%
16 Ireland 1 0.9%