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 289 45.2%
2 United States 152 23.8%
3 Netherlands 66 10.3%
4 Germany 63 9.8%
5 Canada 18 2.8%
6 Sweden 10 1.6%
7 Thailand 5 0.8%
8 Singapore 5 0.8%
9 Norway 5 0.8%
10 France 5 0.8%
11 Hong Kong 4 0.6%
12 Ukraine 4 0.6%
13 Uzbekistan 3 0.5%
14 Russia 2 0.3%
15 India 2 0.3%
16 Korea, Republic of 2 0.3%
17 Australia 2 0.3%
18 Brazil 1 0.2%
19 United Kingdom 1 0.2%
20 Switzerland 1 0.2%