import numpy as np
import matplotlib.pyplot as plt

# Data:

t_array = np.arange(2000, 2009+1) # arange() excludes end
kpi_array = np.array([75.5, 77.7, 78.7, 80.7, 81.0,
                        82.3, 84.2, 84.8, 88.0, 89.9])

# Plotting:

plt.close('all')
plt.figure(1, figsize=(12, 9))

plt.plot(t_array, kpi_array,'-bo', label='KPI')
plt.legend()
plt.title('Konsumprisindeks (KPI)')
plt.xlabel('t [Aar]')
plt.grid()

# plt.savefig('prog_plot_kpi_2000_2009.pdf')
plt.show()