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 355 49.4%
2 United States 145 20.2%
3 Netherlands 96 13.4%
4 Germany 42 5.8%
5 Hong Kong 18 2.5%
6 Taiwan 12 1.7%
7 Canada 10 1.4%
8 France 5 0.7%
9 Russia 5 0.7%
10 Singapore 5 0.7%
11 United Kingdom 5 0.7%
12 Malaysia 4 0.6%
13 Ukraine 3 0.4%
14 India 3 0.4%
15 Romania 3 0.4%
16 Indonesia 2 0.3%
17 Japan 2 0.3%
18 North Macedonia 1 0.1%
19 Iran, Islamic Republic of 1 0.1%
20 Australia 1 0.1%