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 China 412 42.5%
2 United States 290 29.9%
3 Netherlands 106 10.9%
4 Germany 68 7%
5 Canada 24 2.5%
6 France 20 2.1%
7 Russia 10 1%
8 Taiwan 7 0.7%
9 Hong Kong 6 0.6%
10 Korea, Republic of 6 0.6%
11 India 5 0.5%
12 Malaysia 3 0.3%
13 Mauritius 2 0.2%
14 Australia 2 0.2%
15 Barbados 2 0.2%
16 United Kingdom 2 0.2%
17 Singapore 1 0.1%
18 Spain 1 0.1%
19 Norway 1 0.1%
20 Brazil 1 0.1%