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 561 55.7%
2 United States 197 19.5%
3 Netherlands 106 10.5%
4 Germany 40 4%
5 Canada 24 2.4%
6 France 18 1.8%
7 Hong Kong 15 1.5%
8 Singapore 8 0.8%
9 Korea, Republic of 7 0.7%
10 Ukraine 5 0.5%
11 Macao 4 0.4%
12 Ireland 4 0.4%
13 Belarus 3 0.3%
14 India 3 0.3%
15 Brazil 2 0.2%
16 Hungary 2 0.2%
17 Switzerland 2 0.2%
18 Taiwan 2 0.2%
19 New Zealand 1 0.1%
20 Kazakhstan 1 0.1%
21 Malaysia 1 0.1%
22 Australia 1 0.1%
23 United Arab Emirates 1 0.1%