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 347 49.7%
2 United States 155 22.2%
3 Netherlands 70 10%
4 Germany 50 7.2%
5 Canada 18 2.6%
6 Singapore 14 2%
7 France 6 0.9%
8 Taiwan 6 0.9%
9 Australia 5 0.7%
10 India 5 0.7%
11 Russia 4 0.6%
12 Malaysia 4 0.6%
13 Korea, Republic of 3 0.4%
14 Indonesia 3 0.4%
15 Hong Kong 2 0.3%
16 Ukraine 2 0.3%
17 Japan 1 0.1%
18 Macao 1 0.1%
19 Mauritius 1 0.1%
20 Sweden 1 0.1%