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 504 51.7%
2 United States 151 15.5%
3 Netherlands 140 14.4%
4 Germany 72 7.4%
5 France 38 3.9%
6 Canada 22 2.3%
7 Russia 9 0.9%
8 Korea, Republic of 7 0.7%
9 Hong Kong 6 0.6%
10 India 5 0.5%
11 Indonesia 3 0.3%
12 Ireland 3 0.3%
13 Australia 3 0.3%
14 Ukraine 3 0.3%
15 Japan 2 0.2%
16 Malaysia 2 0.2%
17 South Africa 2 0.2%
18 Slovakia 1 0.1%
19 Norway 1 0.1%
20 Belarus 1 0.1%