Browse Subjects >>

All Subjects

Biomedical & Life Sciences

Business & Economics

Chemistry & Materials Science

Computer Science & Communications

Earth & Environmental Sciences

Engineering

Medicine & Healthcare

Physics & Mathematics

Social Sciences & Humanities

Products
OJPP> Vol.4 No.1, February 2014
Statistics since March 1, 2014
Country Percent
US 50.7%
CN 28.5%
CA 2.8%
RU 1.7%
UA 1.2%
FR 1.2%
IN 1.1%
NL 0.8%
GB 0.7%
KR 0.7%
AU 0.7%
ID 0.6%
PH 0.6%
SG 0.4%
TW 0.4%
IANA 0.4%
HK 0.4%
BR 0.4%
MX 0.4%
LU 0.4%
MY 0.3%
PK 0.3%
NZ 0.3%
ZA 0.3%
DE 0.3%
CY 0.3%
CZ 0.2%
HU 0.2%
KP 0.2%
JP 0.2%
IR 0.2%
HR 0.2%
CO 0.2%
VE 0.2%
VN 0.2%
RO 0.2%
TH 0.2%
NG 0.2%
LV 0.1%
PL 0.1%
PT 0.1%
CR 0.1%
BD 0.1%
ET 0.1%
GR 0.1%
IL 0.1%
IT 0.1%
IQ 0.1%
LT 0.1%
FI 0.1%
DK 0.1%
DZ 0.1%
ES 0.1%
BE 0.1%
BY 0.1%
CH 0.1%
TR 0.1%
MK 0.1%
MP 0.1%
NP 0.1%
ZW 0.1%