Each judge of the supreme or district court who is a member of the public employees retirement system must be assessed and required to pay monthly five percent of the judge’s monthly salary. Member contributions increase by one percent of the judge’s monthly salary beginning with the monthly reporting period of January 2012, and with an additional increase of one percent, beginning with the reporting period of January 2013, and with an additional    increase of one percent, beginning with the monthly reporting period of January 2014. The assessment must be deducted and retained out of the judge’s salary in equal monthly installments. The state shall contribute an amount equal to fourteen and fifty-two one-hundredths percent of the monthly salary of a supreme or district court judge who is a participating member of the system, which matching contribution must be paid from its funds appropriated for salary, or from any other funds available for such purposes. State contributions increase by one percent of the monthly salary of a supreme or district court judge who is a participating member of the system beginning with the monthly reporting period of January 2012, and with an additional increase of one percent, beginning with the monthly reporting period of January 2013, and with an additional increase of one percent, beginning with the monthly reporting period of January 2014. If the judge’s contribution is paid by the state under subsection 3 of section 54-52-05, the state shall contribute, in addition, an amount equal to the required judge’s contribution.