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 393 53.4%
2 United States 131 17.8%
3 Netherlands 83 11.3%
4 Germany 68 9.2%
5 Canada 16 2.2%
6 Taiwan 10 1.4%
7 United Kingdom 5 0.7%
8 France 4 0.5%
9 Hong Kong 4 0.5%
10 Australia 4 0.5%
11 Korea, Republic of 3 0.4%
12 Malaysia 3 0.4%
13 South Africa 2 0.3%
14 India 2 0.3%
15 Ireland 1 0.1%
16 Japan 1 0.1%
17 Kazakhstan 1 0.1%
18 1 0.1%
19 Finland 1 0.1%
20 Spain 1 0.1%
21 New Zealand 1 0.1%
22 Mexico 1 0.1%