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 112 38%
2 United States 78 26.4%
3 Hong Kong 27 9.2%
4 Sweden 20 6.8%
5 Netherlands 13 4.4%
6 Korea, Republic of 9 3.1%
7 France 6 2%
8 Russia 6 2%
9 Germany 4 1.4%
10 India 4 1.4%
11 Greece 2 0.7%
12 Czech Republic 2 0.7%
13 Denmark 2 0.7%
14 Moldova, Republic of 2 0.7%
15 Norway 2 0.7%
16 Switzerland 2 0.7%
17 Ukraine 1 0.3%
18 United Kingdom 1 0.3%
19 Poland 1 0.3%
20 Mauritius 1 0.3%