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 671 58.4%
2 United States 205 17.8%
3 Netherlands 134 11.7%
4 Germany 68 5.9%
5 Canada 24 2.1%
6 Hong Kong 16 1.4%
7 France 7 0.6%
8 Korea, Republic of 5 0.4%
9 India 4 0.3%
10 Japan 3 0.3%
11 Taiwan 3 0.3%
12 Macao 2 0.2%
13 Australia 2 0.2%
14 Malaysia 1 0.1%
15 Mongolia 1 0.1%
16 United Kingdom 1 0.1%
17 Norway 1 0.1%
18 South Africa 1 0.1%