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 329 41.4%
2 United States 172 21.7%
3 Netherlands 152 19.1%
4 Germany 59 7.4%
5 Canada 18 2.3%
6 United Kingdom 10 1.3%
7 France 9 1.1%
8 Russia 8 1%
9 Turkey 7 0.9%
10 Taiwan 4 0.5%
11 Hong Kong 4 0.5%
12 Italy 3 0.4%
13 Australia 3 0.4%
14 Malaysia 3 0.4%
15 Switzerland 2 0.3%
16 Czech Republic 2 0.3%
17 Slovakia 2 0.3%
18 Korea, Republic of 2 0.3%
19 Norway 1 0.1%
20 Spain 1 0.1%
21 Singapore 1 0.1%
22 Japan 1 0.1%
23 India 1 0.1%