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 618 50.7%
2 United States 234 19.2%
3 Netherlands 171 14%
4 Germany 82 6.7%
5 France 37 3%
6 Canada 23 1.9%
7 Hong Kong 10 0.8%
8 Taiwan 7 0.6%
9 Russia 6 0.5%
10 India 6 0.5%
11 Japan 4 0.3%
12 Australia 4 0.3%
13 Malaysia 3 0.2%
14 South Africa 3 0.2%
15 United Kingdom 3 0.2%
16 Brazil 2 0.2%
17 Singapore 2 0.2%
18 Norway 2 0.2%
19 Turkey 1 0.1%
20 Belgium 1 0.1%