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 496 47.7%
2 United States 236 22.7%
3 Netherlands 122 11.7%
4 Germany 54 5.2%
5 France 53 5.1%
6 Canada 14 1.3%
7 Hong Kong 14 1.3%
8 Korea, Republic of 11 1.1%
9 Ireland 8 0.8%
10 United Kingdom 7 0.7%
11 Russia 6 0.6%
12 Japan 3 0.3%
13 India 3 0.3%
14 Turkey 3 0.3%
15 Ukraine 3 0.3%
16 Singapore 2 0.2%
17 Taiwan 1 0.1%
18 Thailand 1 0.1%
19 New Zealand 1 0.1%
20 Israel 1 0.1%
21 Belarus 1 0.1%