D on Tiobe Index

[Maksim Fomin via Digitalmars-d-announce]

On Thursday, 31 August 2017 at 16:37:35 UTC, SrMordred wrote:
> On Thursday, 31 August 2017 at 14:57:28 UTC, bitwise wrote:
>> https://www.tiobe.com/tiobe-index/d/
>
> What happened in 2009?

My guess is constant random methodology changes. I was tracking 
TIOBE index each month from 2011 till 2016. I remember they 
announced changes in methodology in title page approximately once 
per 3-4 months. For example, changing the base from 100% to sum 
of percentages of all languages(<100%) increased reported % of 
each language. Taking this into account means that changes in 
particular month tells nothing. The trend is, however, positive: 
in 2014-2017 years D stands higher than in 2011-2014 (if you have 
faith in TIOBE averages). I see sometimes positive discussions 
about D at completely unexpected local tech sites.

Although D's position becomes higher in TIOBE, I don't see 
progress in other statistics, for example in github.