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 538 57.7%
2 United States 172 18.4%
3 Netherlands 102 10.9%
4 Germany 63 6.8%
5 Canada 20 2.1%
6 Ireland 9 1%
7 Malaysia 4 0.4%
8 Taiwan 3 0.3%
9 France 3 0.3%
10 Australia 3 0.3%
11 India 2 0.2%
12 Ukraine 2 0.2%
13 Norway 2 0.2%
14 Singapore 2 0.2%
15 Korea, Republic of 2 0.2%
16 Japan 2 0.2%
17 Jordan 1 0.1%
18 United Kingdom 1 0.1%
19 Belgium 1 0.1%
20 Finland 1 0.1%