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 280 49.5%
2 United States 122 21.6%
3 Netherlands 62 11%
4 Germany 41 7.2%
5 Canada 15 2.7%
6 France 14 2.5%
7 Taiwan 6 1.1%
8 Hong Kong 5 0.9%
9 Australia 4 0.7%
10 United Kingdom 3 0.5%
11 Romania 3 0.5%
12 Russia 3 0.5%
13 Singapore 3 0.5%
14 Czech Republic 2 0.4%
15 Macao 1 0.2%
16 New Zealand 1 0.2%
17 Switzerland 1 0.2%