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 193 54.7%
2 United States 64 18.1%
3 Germany 26 7.4%
4 Taiwan 20 5.7%
5 Canada 14 4%
6 Japan 6 1.7%
7 Hong Kong 5 1.4%
8 Malaysia 5 1.4%
9 United Kingdom 3 0.8%
10 Netherlands 2 0.6%
11 Israel 2 0.6%
12 Korea, Republic of 2 0.6%
13 Czech Republic 2 0.6%
14 France 2 0.6%
15 Australia 2 0.6%
16 Austria 1 0.3%
17 Serbia 1 0.3%
18 Singapore 1 0.3%
19 Spain 1 0.3%
20 Moldova, Republic of 1 0.3%