“lower benchmark” , with respect to a type of practice, means the lower benchmark derived for a fiscal year by adjusting the 1989/90 dollar value of the lower benchmark for New Brunswick for the type of practice, as set out in Appendix 1, Dollar Value of the Benchmarks, of “Full-Time Equivalent Physicians, Interprovincial Comparisons, Methodology and Statistics for 1983/84 to 1989/90”, dated April, 1991, by the Working Group on Medical Care Statistics, by the effective fee percentage increase or decrease for that type of practice for each fiscal year subsequent to the 1989/90 fiscal year up to and including the fiscal year for which the benchmark is derived;
“upper benchmark” , with respect to a type of practice, means the upper benchmark derived for a fiscal year by adjusting the 1989/90 dollar value of the upper benchmark for New Brunswick for the type of practice, as set out in Appendix 1, Dollar Value of the Benchmarks, of “Full-Time Equivalent Physicians, Interprovincial Comparisons, Methodology and Statistics for 1983/84 to 1989/90”, dated April, 1991, by the Working Group on Medical Care Statistics, by the effective fee percentage increase or decrease for that type of practice for each fiscal year subsequent to the 1989/90 fiscal year up to and including the fiscal year for which the benchmark is derived.