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 379 53.8%
2 United States 134 19%
3 Netherlands 75 10.6%
4 Germany 64 9.1%
5 Canada 14 2%
6 Hong Kong 6 0.9%
7 France 5 0.7%
8 Taiwan 5 0.7%
9 Ukraine 3 0.4%
10 United Kingdom 3 0.4%
11 Singapore 2 0.3%
12 Norway 2 0.3%
13 India 2 0.3%
14 Czech Republic 2 0.3%
15 Australia 2 0.3%
16 1 0.1%
17 Chile 1 0.1%
18 Hungary 1 0.1%
19 Korea, Republic of 1 0.1%
20 Luxembourg 1 0.1%
21 Malaysia 1 0.1%
22 Portugal 1 0.1%