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 478 49.6%
2 United States 174 18.1%
3 Netherlands 166 17.2%
4 Germany 65 6.7%
5 Canada 25 2.6%
6 Korea, Republic of 10 1%
7 France 8 0.8%
8 Indonesia 7 0.7%
9 Hong Kong 5 0.5%
10 Taiwan 5 0.5%
11 India 4 0.4%
12 Japan 2 0.2%
13 Bolivia, Plurinational State of 2 0.2%
14 Brazil 2 0.2%
15 Russia 2 0.2%
16 Singapore 2 0.2%
17 Malaysia 2 0.2%
18 New Zealand 2 0.2%
19 Norway 1 0.1%
20 United Kingdom 1 0.1%