نتایج جستجو برای: crude birth rate

تعداد نتایج: 1093925  

Journal: :NCHS data brief 2016
Brady E Hamilton T J Mathews

KEY FINDINGS •The teen birth rate declined to another historic low for the United States in 2015, down 8% from 2014 to 22.3 births per 1,000 females aged 15-19. •The birth rates for teenagers aged 15-17 and 18-19 declined in 2015 to 9.9 and 40.7, respectively, which are record lows for both groups. •In 2015, birth rates declined to 6.9 for Asian or Pacific Islander, 16.0 for non-Hispanic white,...

Journal: :National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System 2002
Stephanie J Ventura T J Mathews Brady E Hamilton

OBJECTIVES This report provides State-specific birth rates for teenagers for 1991 and 2000, and the percent change between the time periods. METHODS Tabular and graphical description of trends in teenage birth rates by age group for each State and territory. RESULTS Birth rates for teenagers 15-19 years declined significantly in all States, the Virgin Islands and Guam, between 1991 and 2000...

Journal: :Journal of the Royal Statistical Society 1908

Journal: :Global Journal of Archaeology & Anthropology 2017

Journal: : 2023

In this modest research, we try to clarify the concept of fertility and detection most important determinants standards in Iraq.
 Iraq, total rate Iraq clearly decrease last two decade, reach (4.3) births per woman 2006, but is still high comparison with world, more than about (65%) global (2.7) births. The overall developing States medium human development has been reduced (2.9) (2.5) bir...

ABSTRACT Considering the major impact which changes in the real exchange rate and crude oil prices have on various sectors of Iran's economy and the importance of the financial markets role in economic growth and development, this paper aimed to investigate the effects of the changes in real exchange rate and crude oil prices on Tehran stock exchange using the Markov-Switching's nonlinear mode...

M Kafi M Zavareh R Fotouhi Ghazvini S Heidari

One of the most important anthropogenic pollution types in countries with oil production is soil and water contamination by petroleum. Phytoremediation is an emerging green technology for cleaning up polluted soil. A greenhouse experiment was conducted to study the effect of oil-contaminated soil on Echinacea purpurea with four concentrations of crude oil - contaminated soil: control = 0, 0.5% ...

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