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 297 48.5%
2 United States 154 25.2%
3 Netherlands 79 12.9%
4 Germany 51 8.3%
5 Canada 6 1%
6 France 5 0.8%
7 Singapore 4 0.7%
8 Russia 3 0.5%
9 Ukraine 2 0.3%
10 Hong Kong 2 0.3%
11 Australia 2 0.3%
12 Brazil 2 0.3%
13 Finland 1 0.2%
14 Korea, Republic of 1 0.2%
15 Latvia 1 0.2%
16 Mauritius 1 0.2%
17 Uzbekistan 1 0.2%