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 312 67.5%
2 United States 46 10%
3 Germany 27 5.8%
4 Korea, Republic of 19 4.1%
5 Canada 13 2.8%
6 Hong Kong 7 1.5%
7 Singapore 6 1.3%
8 Macao 5 1.1%
9 5 1.1%
10 Spain 3 0.6%
11 Japan 2 0.4%
12 Malaysia 2 0.4%
13 Netherlands 2 0.4%
14 Brazil 2 0.4%
15 France 2 0.4%
16 Russia 2 0.4%
17 United Kingdom 2 0.4%
18 Dominican Republic 1 0.2%
19 Cambodia 1 0.2%
20 Belgium 1 0.2%
21 Philippines 1 0.2%
22 Taiwan 1 0.2%