BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 74 52.5%
2 United States 47 33.3%
3 Germany 6 4.3%
4 Hong Kong 5 3.5%
5 Spain 2 1.4%
6 United Kingdom 1 0.7%
7 Australia 1 0.7%
8 Korea, Republic of 1 0.7%
9 Macao 1 0.7%
10 Netherlands 1 0.7%
11 Portugal 1 0.7%
12 Singapore 1 0.7%