The midyear population in Japan from 1960 to 2010 has been modeled by the function
P(t) = 94,000 + 32,658.5/1 + 12.75e-⁰.¹⁷⁰⁶ᵗ where t is measured in years since 1960 and P(t) is measured in thousands. According to this model, how quickly was the Japanese population growing in 1974?