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 449 50.3%
2 United States 168 18.8%
3 Netherlands 118 13.2%
4 Germany 74 8.3%
5 Canada 25 2.8%
6 France 12 1.3%
7 Turkey 12 1.3%
8 India 5 0.6%
9 Korea, Republic of 5 0.6%
10 Russia 4 0.4%
11 Hong Kong 4 0.4%
12 Ukraine 4 0.4%
13 Malaysia 3 0.3%
14 Spain 2 0.2%
15 Macao 2 0.2%
16 Brazil 2 0.2%
17 Ireland 1 0.1%
18 Norway 1 0.1%
19 Singapore 1 0.1%
20 United Kingdom 1 0.1%